Fig. 3From: Non-linear significant relationship between use of glycopeptides and isolation of vancomycin-resistant Enterococcus species in a university hospital settingNon-linear relationship between the usage of glycopeptides (a), fluoroquinolones (b) or third generation cephalosporins (c) and VRE-rate per 10 000 patients. The points indicate observations and the solid line the fit of the Poisson regression modelBack to article page